220232312 has 16 divisors (see below), whose sum is σ = 413305800. Its totient is φ = 110017440.

The previous prime is 220232269. The next prime is 220232323. The reversal of 220232312 is 213232022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2387 + ... + 21122.

Almost surely, 2^220232312 is an apocalyptic number.

It is an amenable number.

220232312 is a deficient number, since it is larger than the sum of its proper divisors (193073488).

220232312 is a wasteful number, since it uses less digits than its factorization.

220232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24686 (or 24682 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 220232312 is about 14840.2261438295. The cubic root of 220232312 is about 603.8934873509.

Adding to 220232312 its reverse (213232022), we get a palindrome (433464334).

The spelling of 220232312 in words is "two hundred twenty million, two hundred thirty-two thousand, three hundred twelve".